Blackline3 B218 | 2 x 18" Passive Subwoofer

Where to Buy or Rent

The B218 achieves the ultimate in subwoofer performance for the most prestigious Blackline 3 applications – delivering very high output levels and superb transient performance with minimal distortion. With an operating range of 35-150Hz, it houses dual long-excursion 18” (460mm)/4” (100mm) voice coil drivers with water-resistant cones and triple roll surrounds. Each driver is rated to handle 1000 watts AES, and has a magnet structure and suspension engineered for maximum linear excursion.

Features

Dual-driver, direct-radiator subwoofer
Long-excursion 18” (460mm) drivers with 4” (100mm) voice coils
Water resistant cones
Birch-ply enclosure construction
Large ports for reduced air noise
Perforated steel grille

Applications

Live music clubs
Music bars
Nightclubs
Premium KTV

The enclosure of the B218 is constructed from multi-laminate birch ply and coated with a textured black finish. Eight reflex ports provide a large frontal area to reduce turbulent air noise, and a perforated steel grille protects the driver from damage with minimal obstruction of airflow.

When used with a Blackline 3 FX12 or FX15 coaxial system, crossover and EQ functions can be performed by the Martin Audio DX0.4 or DX0.6 Loudspeaker Management System.

Links

Blackline3 Brochure [Eng] Blackline3 Brochure [Chinese] Datasheet

Specification

TYPE	Dual-driver, direct radiating subwoofer
FREQUENCY RESPONSE (5)	35Hz-150Hz ± 3dB 10dB @ 30Hz
DRIVER	2x18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
RATED POWER (2)	2000W AES, 8000W peak
SENSITIVITY (8)	108dB
MAXIMUM SPL (9)	138dB continuous, 144dB peak (half space)
NOMINAL IMPEDANCE	4 ohms
DISPERSION (-6dB) (5)	Omnidirectional
CROSSOVER	80-120Hz active
ENCLOSURE	330 litre, birch ply
FINISH	Black paint
PROTECTIVE GRILLE	Black perforated steel
CONNECTORS	2 x Neutrik® NL4
PIN CONNECTIONS	Input: 1+, 1- Link through: 2+,2-
FITTINGS	Four pocket handles
DIMENSIONS	(W) 1085mm x (H) 530mm x (D) 780mm* (W) 42.7" x (H) 20.9" x (D) 30.7"* * 911mm (35.9") with wheels
WEIGHT	84kg (185lbs)